#C33F28#C33F28

#C33F28 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.5% C 0.172 H 32.3°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C33F28
RGB	rgb(195, 63, 40)
HSL	hsl(9, 66%, 46%)
HSV	hsv(9, 79%, 76%)
CMYK	cmyk(0%, 67.7%, 79.5%, 23.5%)
CIE-LAB	lab(46.06, 51.43, 42.43)
CIE-LCH	lch(46.06, 66.68, 39.52°)
OKLab	oklab(55.46% 0.1457 0.092)
OKLCH	oklch(55.46% 0.172 32.3)
XYZ	xyz(24.6690, 15.3140, 3.6640)
Luminance	0.1531 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33F28 #28ACC3

analogous

#C3285E #C33F28 #C38C28

triadic

#C33F28 #28C33F #3F28C3

tetradic

#C33F28 #5EC328 #28ACC3 #8C28C3

square

#C33F28 #5EC328 #28ACC3 #8C28C3

split-complementary

#C33F28 #28C38C #285EC3

monochromatic

#5D1E13 #902F1E #C33F28 #DB634E #E58F80

Accessibility & contrast

On white

5.17

#C33F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C33F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F28

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33F28	#FFFFFF	#000000	##FFFFFF
##C33F28	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B24

Deuteranopia (green-blind)

#867822

Tritanopia (blue-blind)

#D7133B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c33f28;
/* rgb */ color: rgb(195, 63, 40);
/* oklch */ color: oklch(55.5% 0.172 32.3);

Tailwind

colors: {
  custom: {
    50: '#de7b64',
    500: '#c33f28',
    950: '#000000',
  },
}

SCSS

$custom: #c33f28;
$custom-light: #de7b64;
$custom-dark: #000000;

JSON

{
  "hex": "#c33f28",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 8.903,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55464,
    "c": 0.17228,
    "h": 32.3
  },
  "luminance": 0.1531
}

Semantic roles & 50–950 ramp

primary

#C33F28

secondary

#79C1CE

accent

#D0E93F

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C33F28

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →